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♦ ¹FISHES IN THE DIET OF THE IMPERIAL CORMORANT PHALACROCORAX ATRICEPS AT PUNTA LOBERÍA CHUBUT, ARGENTINA, A.E. GOSZTONYI & L. KUBA, Marine Ornithology 26: 59–61
♦ ²"Food and Feeding Biology of the South American Tern during the Nonbreeding Season", Marco Favero, M. Susana Bó , M. Patricia Silva R. and Carlos García-Mata, Waterbirds: The International Journal of Waterbird Biology Vol. 23, No. 1 (2000), pp. 125-129